Finding the Fourth Proportional to 747,955.84, 1,121,102.70 and 569,875.72
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Solution
The fourth proportional to 747,955.84, 1,121,102.70 and 569,875.72 is: 854,180.39
Step by Step Solution
- Step 1: Write the proportion equation
747,955.84 : 1,121,102.70 = 569,875.72 : x - Step 2: Convert to fraction form
747,955.84/1,121,102.70 = 569,875.72/x - Step 3: Cross multiply
747,955.84x = 1,121,102.70 × 569,875.72 - Step 4: Simplify right side
747,955.84x = 638,889,208,356.44 - Step 5: Solve for x
x = 638,889,208,356.44/747,955.84 - Step 6: Final answer
x = 854,180.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.